26) A 45.0-kg sample of ice is at 0.00° C. How much heat is needed to melt it? For water LF = 334,000 J/kg and Ly= 2.256 x 106 J/kg. A) 0.00 kJ B) 1.02 x 105 kJ C) 1.50 × 104 kJ D) 4.10 x 106 kJ

Q: Obtain expressions in component form for the following polar coordinates. A) 13.0 m, 140 degrees…

A: The projections of vector R on the axis: Rx=RcosθRy=Rsinθ   The vector in the component notation:…

Q: Find A when r=3 and l=8 for A=\pi rl. Use \pi =3.14 and give your answer to three significant…

A: Given that r=3 and l=8 for A=.

Q: Suppose you first walk A = 12.0 m in a direction 20.0 degrees west of north and then B = 20.0 m in a…

A:

Q: A block of mass m = 2.50 kg is lowered down a 37° rough incline plane a distance of 4.50 m from…

A:

Q: Section 3: Type II Projectiles 3A. Ted swings and hits a baseball, which leaves his bat with an…

A:

Q: (a) How much gravitational potential energy (in J) (relative to the ground on which it is built) is…

A: Gravitational potential energy is the energy possessed by an object when its position changes, when…

Q: Find the magnitude of the electric force on charge q1 and the direction of that force relative to…

A:

Q: c) Figure out and write down the components of the 2 vectors sketched below, using the ✰ and ŷ…

A:

Q: Two small metallic spheres, each with a mass of m = 6.00 g, are suspended from a common point by two…

A: m = 6 g L = 22 cm θ = 60oθ2 = 30odistance between two masses = d

Q: If the operation is not valid, choose "Not Valid" 5 m.s 2 m A) s C) m2 -s B) D) Not Valid Enter

A:

Q: (33m) 9. A force of -9000 N is used to stop a 1500 kg car traveling at 20 m/s. What distance does it…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A. Imagine that your group performs this lab again using another simulation version of a ballistic…

A: Solution:   As per the given data,

Q: 22) A 4.0-kg aluminum block is originally at 10°C. If 160 kJ of heat is added to the block, what is…

A: solution:- given data , mass of block m = 4kg, initial temperature of  block,  Ti  = 10°C, when we…

Q: please explain how to get correct answer!

A:

Q: 43) What is the change in entropy when 15.0 g of water at 100°C are turned into steam at 100°C? The…

A: in this question the second law of thaermodynamics is used for change in entropy.

Q: 2) The pressure at the bottom of an average spot in the Narragansett Bay is only about 7.800 x 10°…

A:

Q: You are driving into St. Louis, Missouri, and in the distance you see the famous Gateway-to-the-West…

A:

Q: A cube of M 3.00 kg slides down a frictionless incline, and elastically strikes another cube m =1.30…

A: Speed of mass M at the bottom of the incline Kf+Uf=Ki+Ui12mu12+0=0+mghu1=2gh=29.8 m/s235.0 cm10-2 m1…

Q: The Harrington family belongs to a yacht club. On Saturdays they take their sailboat out in the bay.…

A: Kinematics.

Q: Projectile Motion I A projectile is launched at the angle 35° from the horizontal with velocity…

A:

Q: 1. A metal cylinder of radius a and length L has both ends held at a zero potential, and the sides…

A:

Q: 13) Your lungs hold 4.2 L of air at a temperature of 27°C and a pressure of 101.3 kPa. How many…

A: Given,         Pressure ,P =  101.3kPa                            P = 101.3×10³ Pa…

Q: 3. (II) Sketch a PV diagram of the following process: 2.5 L of ideal gas at atmospheric pressure is…

A: The first process of the cycle is a constant pressure process in which the temperature of the ideal…

Q: •• A 0.500-mol sample of an ideal monatomic gas at 400 kPa and 300 K, expands quasi-statically until…

A:

Q: Please answer the following question(s): 1. Jackie walks 7.0 miles 45° north of east. What are…

A:

Q: Underline the digits that are known with certainty and highlight in color the digits that are…

A:

Q: Given that A +B+C= 0, find the magnitudes of A and B.

A:

Q: You can now find the angular diameter of the Moon using its linear diameter, 3480 km (2160 mi), and…

A: Given, the linear distance of the moon from Earth = 384000 km           the linear diameter of the…

Q: Block 1, of mass m1 = 3.30 kg , moves along a frictionless air track with speed v1 = 13.0 m/s. It…

A: Given data: Mass of block 1 (m1) = 3.30 kg Initial velocity of block 1 (V1) = 13.0 m/s Mass of block…

Q: Which of the following expressions involving vectors is TRUE? Note: Quantities written with two…

A:

Q: Displacement vector A is 4.5 km, north. Displacement vector B is 3.0 km, 50° north of w ne resultant…

A: We know that here given that The displacement vector A= 4.5 km in the north and then displacement…

Q: 12. What is the ratio of the electrostatic force to the gravitational force between two electrons?

A: 12)the charge on an electron (q) = - 1.6×10-19 C mass of electron (m) = 9.11×10-31 kg Let the…

Q: As a hiker in Glacier National Park, you are looking for a way to keep the bears from getting at…

A:

Q: Eles. Your arms are ertically and can und the shoulder Figure El1.22 you grasp the cable achine in…

A: Given: The distance between hand and shoulder joint is 64 cm.

Q: Section 2: Type I Projectiles 2A. While standing atop a 20 meter cliff overlooking a lake Julianna…

A: Given:  Cliff height, h=20 m Julianna's horizontal velocity, vx=2.75 m/s

Q: (Figure 1) shows vectors A and B. For help with math skills, you may want to review: Vector Addition…

A:

Q: 1) While diving in Cancun, Mexico, where the seawater has a density of 1,015 kg/m³, Nana observed…

A: Given, Density = 1015 Kg/m3 Pressure P = 3.75 atm = 3.75 x 101325 = 379968.75 Pa

Q: Solve problem 8 given the information in problem 6

A:

Q: Given two vectors and the angle between them, which of the following concepts in trigonometry is…

A:

Q: Convert to SI units, using any convenient prefix like μ, m, c, k, M, G, etc. Show how you did it,…

A:

Q: With these steps, what am I supposed to input into column h in Excel to give me the answers shown in…

A: h is the maximum height of projectile that needs to be calculated by varying angles from 100 to 175o…

Q: Shown is a 10 by 10 grid, with coordinate axes z and y (Figure 1). The grid runs from -5 to 5 on…

A:

Q: A4.0 kg lunchbox is sent sliding over a frictionless surface, in the positive direction of an x axis…

A: Mass of lunchbox, m= 4kg

Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.